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    <meta charset="UTF-8">
    <title>classtable</title>
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    <center>
        <table border="1">
            <tr>
                <td>&nbsp;</td>
                <td>周一</td>
                <td>周二</td>
                <td>周三</td>
                <td>周四</td>
                <td>周五</td>
                <td>周六</td>
            </tr>
            <tr>
<!--                <td>上午</td>-->
                <td rowspan="4" align="center">上午</td>
                <td>周一</td>
                <td>周二</td>
                <td>周三</td>
                <td>周四</td>
                <td>周五</td>
                <td>周六</td>
            </tr>
            <tr>
<!--                <td>上午</td>-->
                <td>周一</td>
                <td>周二</td>
                <td>周三</td>
                <td>周四</td>
                <td>周五</td>
                <td>周六</td>
            </tr>
            <tr>
<!--                <td>上午</td>-->
                <td>周一</td>
                <td>周二</td>
                <td>周三</td>
                <td>周四</td>
                <td>周五</td>
                <td>周六</td>
            </tr>
            <tr>
                <!--                <td>上午</td>-->
                <td>周一</td>
                <td>周二</td>
                <td>周三</td>
                <td>周四</td>
                <td>周五</td>
                <td>周六</td>
            </tr>
<!--            中午-->

            <tr>
                <td>午休</td>
                <td colspan="6" align="center"><a href="https://www.bilibili.com/">休息 bilibili 一下</a></td>

            </tr>

<!--            下午-->
            <tr>
                <td rowspan="4" align="center">下午</td>
                <td>周一</td>
                <td>周二</td>
                <td>周三</td>
                <td>周四</td>
                <td>周五</td>
                <td>周六</td>
            </tr>
            <tr>
<!--                <td>上午</td>-->
                <td>周一</td>
                <td>周二</td>
                <td>周三</td>
                <td>周四</td>
                <td>周五</td>
                <td>周六</td>
            </tr>
            <tr>
<!--                <td>上午</td>-->
                <td>周一</td>
                <td>周二</td>
                <td>周三</td>
                <td>周四</td>
                <td>周五</td>
                <td>周六</td>
            </tr>
            <tr>
<!--                <td>上午</td>-->
                <td>周一</td>
                <td>周二</td>
                <td>周三</td>
                <td>周四</td>
                <td>周五</td>
                <td>周六</td>
            </tr>

        </table>
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